Finding the Fourth Proportional to 124,375,270.98, 171,638,475.16 and 68,620,687.58
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Solution
The fourth proportional to 124,375,270.98, 171,638,475.16 and 68,620,687.58 is: 94,696,880.56
Step by Step Solution
- Step 1: Write the proportion equation
124,375,270.98 : 171,638,475.16 = 68,620,687.58 : x - Step 2: Convert to fraction form
124,375,270.98/171,638,475.16 = 68,620,687.58/x - Step 3: Cross multiply
124,375,270.98x = 171,638,475.16 × 68,620,687.58 - Step 4: Simplify right side
124,375,270.98x = 11,777,950,180,661,950 - Step 5: Solve for x
x = 11,777,950,180,661,950/124,375,270.98 - Step 6: Final answer
x = 94,696,880.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.